/*
 * Copyright 2014-2021 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.data.rest.webmvc.support;

/**
 * Interface for a component being able to create projections for objects.
 *
 * @author Oliver Gierke
 */
public interface Projector extends ExcerptProjector {

	/**
	 * Returns the projection object for the given source. This may result in the same object being returned or a
	 * completely different acting as projection for the source.
	 *
	 * @param source must not be {@literal null}.
	 * @return
	 */
	Object project(Object source);
}
